package com.task.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.task.common.R;
import com.task.dto.DishDto;
import com.task.entity.Category;
import com.task.entity.Dish;
import com.task.entity.DishFlavor;
import com.task.service.CategoryService;
import com.task.service.DishFlavorService;
import com.task.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/dish")
public class DishController {

    @Autowired
    DishFlavorService dishFlavorService;

    @Autowired
    DishService dishService;

    @Autowired
    CategoryService categoryService;

    /**
     * 新增菜品
     * @param dishDto
     * @return
     */
    @PostMapping
    public R<String> add(@RequestBody DishDto dishDto){
        log.info("dishDto:{}",dishDto);
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }
    /**
     * 菜品分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){

        Page<Dish> pageInfo =new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage = new Page<>();

        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name != null,Dish::getName,name);
        queryWrapper.orderByDesc( Dish::getUpdateTime);

        dishService.page(pageInfo,queryWrapper);

//        对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage, "records");
        List<Dish> records = pageInfo.getRecords();
        List<DishDto> list = records.stream().map((item)->{
                    DishDto dishDto = new DishDto();
                    BeanUtils.copyProperties(item,dishDto);
                    Long categoryId = item.getCategoryId();
                    Category category = categoryService.getById(categoryId);

                    if (category != null){
                        String categoryName = category.getName();
                        dishDto.setCategoryName(categoryName);
                    }

                    return dishDto;
                }
        ).collect(Collectors.toList());

        dishDtoPage.setRecords(list);

        
        return R.success(dishDtoPage);
    }
    /**
     * 根据id查询菜品信息和对应的口味信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<DishDto> getById(@PathVariable Long id){
        DishDto dishDto = dishService.getByIdWithFlavor(id);
        return R.success(dishDto);
    }

    /**
     * 修改菜品信息
     * @param dishDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        dishService.updateWithFlavor(dishDto);
        return R.success("修改菜品成功");

    }
    /**
     * 根据条件查询菜品数据
     * @param dish
     * @return
     */
    @GetMapping("list")
    public R<List<DishDto>> list(Dish dish){
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId() != null,Dish::getCategoryId,dish.getCategoryId());
        queryWrapper.eq(Dish::getStatus,1);
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(queryWrapper);

        List<DishDto> dishDtoList = list.stream().map((item)->{
            DishDto dishDto = new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category != null){
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper = new LambdaQueryWrapper<>();
           lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);
           List<DishFlavor> dishFlavors = dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(dishFlavors);
           return dishDto;
        }).collect(Collectors.toList());
        return R.success(dishDtoList);
    }

    /**
     * 删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){
        log.info("ids:{}",ids);

        dishService.deleteWithDishFlavor(ids);

        return R.success("删除成功");
    }

    /**
     * 批量修改菜品状态
     * @param status
     * @param ids
     * @return
     */
    @PostMapping("/status/{status}")
    public R<String> status(@PathVariable Integer status,@RequestParam List<Long> ids){
        log.info("status:{},ids:{}",status,ids);
        LambdaQueryWrapper<Dish> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.in(ids != null,Dish::getId,ids);
        List<Dish> list = dishService.list(queryWrapper);
        for (Dish dish : list) {
            dish.setStatus(status);
            dishService.updateById(dish);
        }
        return R.success("修改成功");


    }

}
